Navigation Links
Nanoparticles improve solar collection efficiency
Date:4/5/2011

Washington, D.C. (April 5, 2011) -- Using minute graphite particles 1000 times smaller than the width of a human hair, mechanical engineers at Arizona State University hope to boost the efficiencyand profitabilityof solar power plants.

Photovoltaic (PV) solar panels are popping up more and more on rooftops, but they're not necessarily the best solar power solution. "The big limitation of PV panels is that they can use only a fraction of the sunlight that hits them, and the rest just turns into heat, which actually hurts the performance of the panels," explains Robert Taylor, a graduate student in mechanical engineering at Arizona State University.

An alternative that can make use of all of the sunlight, including light PVs can't use, is the solar thermal collector. The purpose of these collectorswhich take the form of dishes, panels, evacuated tubes, towers, and moreis to collect heat that can then be used to boil water to make steam, for example, which drives a turbine to create electricity.

To further increase the efficiency of solar collectors, Taylor and his colleagues have mixed nanoparticlesparticles a billionth of a meter in sizeinto the heat-transfer oils normally used in solar thermal power plants. The researchers chose graphite nanoparticles, in part because they are black and therefore absorb light very well, making them efficient heat collectors. In laboratory tests with small dish collectors, Taylor and his colleagues found that nanoparticles increased heat-collection efficiency by up to 10 percent. "We estimate that this could mean up to $3.5 million dollars per year more revenue for a 100 megawatt solar power plant," he says.

What's more, Taylor adds, graphite nanoparticles "are cheap"less than $1 per grambut with 100 grams of nanoparticles providing the same heat-collecting surface area as an entire football field. "It might also be possible to filter out nanoparticles of soot, which have similar absorbing potential, from coal power plants for use in solar systems," he says. "I think that idea is particularly attractive: using a pollutant to harvest clean, green solar energy."


'/>"/>

Contact: Charles E. Blue
cblue@aip.org
301-209-3091
American Institute of Physics
Source:Eurekalert

Related biology technology :

1. New instrument keeps an eye on nanoparticles
2. Special sugar, nanoparticles combine to detect cholera toxin
3. Targeted Gold Nanoparticles and Noninvasive Radio Fields Attacking One of the Deadliest and Least Curable Types of Cancer: Pancreatic Carcinoma
4. Tecnalia investigates nanoparticles for soil remediation
5. Scientist chronicle nanoparticles journey from the lungs into the body
6. Trouble with sputter? Blame giant nanoparticles
7. Gold nanoparticles enrich everyday products
8. Magnetic fields drive drug-loaded nanoparticles to reduce blood vessel blockages in an animal study
9. Study shows that size affects structure of hollow nanoparticles
10. Engineers produce how-to guide for controlling the structure of nanoparticles
11. New discovery reveals fate of nanoparticles in human cells
Post Your Comments:
*Name:
*Comment:
*Email:
(Date:3/22/2017)... , March 22, 2017 MarketNewsUpdates.com News ... ... conditions are being pressured as of late due to the ... pain management has a dramatic impact on patient,s quality of ... development activities for identifying new forms of opioid formulations that ...
(Date:3/22/2017)... 22, 2017   VWR (NASDAQ: ... product and service solutions to laboratory and ... acquired EPL Archives, Inc., an international biorepository ... entire regulated product research, development and commercialization ... and ancillary services. EPL Archives is widely ...
(Date:3/22/2017)... ... March 21, 2017 , ... Proper glycosylation is critical for ... increase and/or decrease in antibody-dependent cellular cytotoxicity or complement-dependent cytotoxicity, there is a ... , To meet this demand, the team at SCIEX has developed a ...
(Date:3/22/2017)... ... March 21, 2017 , ... The Conference Forum has ... Summit) to be held on May 10-11, 2017, at the Colonnade Hotel in Boston, ... for Chief Medical Officer peer-to-peer learning, benchmarking and support. , “The Chief Medical Officer ...
Breaking Biology Technology:
(Date:3/6/2017)... 6, 2017 Mintigo , the ... announced Predictive Sales Coach TM , its new ... intelligence into Salesforce. This unique AI application will ... organizations with deep knowledge of their customers and ... engagement. Predictive Sales Coach extends Mintigo,s existing customer ...
(Date:3/2/2017)... March 2, 2017 Australian stem cell and ... CYP), has signed an agreement with the Monash Lung ... Biomedicine Discovery Institute and Department of Pharmacology at Monash ... further preclinical study to support the use of Cymerus™ ... Asthma is a chronic, long term ...
(Date:2/28/2017)... , Spanien, 27. Februar 2017  EyeLock LLC, ein ... wird seine erstklassige biometrische Lösung zur Iris-Erkennung ... mit X16 LTE auf dem Mobile World ... am Qualcomm-Stand in Halle 3, Stand 3E10, ... die Sicherheitsplattform Qualcomm Haven™ – eine Kombination ...
Breaking Biology News(10 mins):